gistfile1.txt

func coalesceMaps(args ...map[string]interface{}) map[string]interface{} {
	var m map[string]interface{}

	if len(args) > 1 {
		m = make(map[string]interface{})

		for _, arg := range args {
			m = clobberMerge(m, arg)
		}
	} else {
		return args[0]
	}

	return m
}

func clobberMerge(dest map[string]interface{}, src map[string]interface{}) map[string]interface{} {
	for k, v := range src {
		dest[k] = v
	}
	return dest
}